他不是我的哥哥用英文怎么表达？

他被安排和哥哥搭档参加双打。

He was teamed with his brother in the doubles.

看到你哥哥时，代我向他问好。

Give your brother my regards when you see him.

我哥哥曾就学于皇家美术学院。

My brother studied at the Royal College of Art.

我哥哥有哈佛大学的硕士学位。

My brother has a master's degree from Harvard.

他仍然在为哥哥的去世而悲伤。

He was still mourning his brother's death.

我非常尊敬你的哥哥。

I have the greatest respect for your brother.